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What is a doctored baseball?

Author

Daniel Moore

Published Jan 16, 2026

Definition. No player is permitted to intentionally damage, deface or discolor the baseball by rubbing it with any type of foreign item or substance, including dirt or saliva. Failure to follow this rule will result in an ejection and an automatic 10-game suspension.

Are pitchers doctoring baseballs?

For decades, Major League pitchers have tried to get a better grip on the baseball by using sticky substances. Some Hall of Famers even admitted to it. But Major League Baseball says too many pitchers today are doctoring the ball.

What does putting vaseline on a baseball do?

By lubricating the ball—with saliva, Vaseline, hair grease, or something else—the pitcher can throw a pitch that slides off his fingers without generating too much backspin. A greased-up pitch behaves kind of like a split-fingered fastball—it drops to the ground faster than a typical pitch.

What do baseball players use to cheat?

It's about supercharged formulas that dramatically helped alter the balance of power between pitcher and hitter — we've come a long way from Gaylord Perry's Vaseline and KY Jelly — and the most notable of these substances is an extremely sticky, web-like pasty material called Spider Tack.

Why are spitballs illegal in baseball?

The reason why the spitball was banned was that it was regarded as doctoring a baseball. And everything that was considered doctoring a baseball was banned on this day in 1920. Throwing the spitball before that 10th of February 1920 was a common thing. Many pitchers did it.

22 related questions found

Why do MLB Players smell their bats?

Why do MLB players smell their bats? MLB players smell their bats because the friction from a foul ball creates a smell of burning wood, which players describe as a sweet scent. The correct combination to create this smell is by a high-speed pitch, typically a fastball, grazing a wood bat.

What is it called when you strike out 5 times in a game?

The "Olympic Rings" or platinum sombrero applies to a player striking out five times in a game. A horn refers to a player striking out six times in a game; the term was coined by pitcher Mike Flanagan after teammate Sam Horn of the Baltimore Orioles accomplished the feat in an extra-inning game in 1991.

Is Spider tack illegal in baseball?

Pitchers aren't allowed to put any foreign substance directly on the baseball and rosin is the only substance they can put on their hand.

Who caught cheating in baseball?

The Houston Astros' Cheating Scandal: Sign Stealing, Buzzer Intrigue and Tainted Pennants. The team fired its manager, A.J. Hinch, and general manager, Jeff Luhnow, after they were suspended for one year.

How do hitters cheat in baseball?

Forms of cheating include doctoring the baseball, doctoring baseball bats, electronic sign stealing, and the use of performance-enhancing substances. Other actions, such as fielders attempting to mislead baserunners about the location of the ball, are considered gamesmanship and are not in violation of the rules.

Are there any illegal pitches in baseball?

An illegal pitch may be quick pitch (i.e. a pitch made before the batter is properly set in the batter's box), a pitch made while the pitcher is not in contact with the pitching rubber, or one in which he takes an extra step while making his delivery.

What pitches are illegal in baseball?

This seems to meet the definition of "illegal pitch" in the MLB rulebook, which reads, "An ILLEGAL PITCH is (1) a pitch delivered to the batter when the pitcher does not have his pivot foot in contact with the pitcher's plate; (2) a quick return pitch. An illegal pitch when runners are on base is a balk."

Why do they change baseballs when it hits the dirt?

Catchers constantly change baseballs because it is a rule set by the MLB and enforced by umpires. If an umpire notices a ball is scuffed or has dirt on it, a brand new baseball must be introduced into the game. This rule is in place to ensure hitters are able to clearly see every pitch.

Why do MLB umpires check pitchers?

Umpires are instructed to use their thumbs to inspect pitchers' hands from top to bottom and look for "any unusual looking foreign substances, including suspicious clumps or discoloration," according to the memo. Sports Illustrated first reported on the league's new protocols.

What is the sticky in MLB?

Any pitcher who possesses or applies foreign substances will be subject to immediate ejection from the game and suspended automatically in accordance with the rules. If a player other than the pitcher is found to have applied a foreign substance to the ball, both the position player and pitcher will be ejected.

Why do baseball players keep one finger out of glove?

Players who take a lot of heat, like catchers and infielders, often like to keep their index finger on the outside of the glove. It gives an extra layer of protection between the ball and their finger - which would sit inside the glove right at the spot where the ball most often makes contact.

Has any pitcher been caught with sticky?

So, then, with enforcement kicking in two months ago, it is a success – from MLB's perspective – that until last night, only one pitcher had been busted for sticky stuff, Mariners lefty Hector Santiago (who was subsequently suspended for PEDs!).

What is a buzzer in baseball?

It sounds silly, but it works. Here's where the buzzer comes in. In MLB The Show 19, if you guess both location and pitch correctly, an alert sounds and your controller vibrates. Assuming you don't get too excited and swing early, your chance to hit the ball a long way goes way up.

Did Houston cheat in the World Series?

Wouldn't you like to have been a fly on the wall of the Commissioner's office when the Houston Trash Can Bangers — also known as the Astros — advanced to the World Series. Only two years ago it was revealed that they had cheated en route to a narrow win over the Los Angeles Dodgers in the 2017 World Series.

Is dipping allowed in the MLB?

In the major leagues tobacco companies are no longer allowed to leave free products in stadium clubhouses for the players, with a ban effective December 5, 2016, in the new Collective Bargaining Agreement that prohibits players entering MLB for the first time from using tobacco.

Is rosin still legal in MLB?

Rosin is legal in major and minor league baseball for pitchers to use. It is the only foreign substance that is legal for pitchers to apply to their hands to get a better grip on the ball. The primary purpose of rosin is to dry a pitcher's hands to throw better via a better grip.

What is Astros cheating scandal?

The Astros' cheating scandal began early in 2017. According to the investigation report from MLB, Houston employees in the video room used game feed from the center field camera to decode and relay the signs of opposing teams to any Astros' baserunners on second base. The means of relaying the signs often varied.

What's a golden sombrero in baseball?

A golden sombrero is awarded to a baseball player who strikes out four times in a baseball game. Having a four-strikeout game does not mean you only had four plate appearances, however.

What is the rarest feat in baseball?

Unassisted triple plays

The rarest type of triple play, and one of the rarest events of any kind in baseball, is for a single fielder to complete all three outs. There have only been 15 unassisted triple plays in MLB history, making this feat rarer than a perfect game.

Why do batters stare at pitcher after strikeout?

They want to avoid eye contact with their manager, hitting coach or other players because they don't want to feel more embarrassed than they're already feeling. They want to stare at a pitcher to deliver a message through eye contact, "I will hit it next time".